What is Jabber?
What is Jabber? I find this in my iMessage app, and I wonder, what could it be. At first, I thought my username was hacked or something, and I tried activating Jabber, but it failed. Can you guys help me?
Thanks,
The Notebook // SamsungFan99U
MacBook Pro with Retina display, macOS Sierra (10.12.6), No Touch ID or Menu bar